Madison Gas and Electric Company Consolidated Statements of Comprehensive Income (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Other comprehensive income, net of tax:
Unrealized gain (loss) on available-for-sale securities, net of tax	$ 97	$ (164)
Comprehensive Income	19,397	16,864
MGE [Member]
Net Income	18,183	17,197
Other comprehensive income, net of tax:
Unrealized gain (loss) on available-for-sale securities, net of tax	(6)	(30)
Total comprehensive income including noncontrolling interest	18,177	17,167
Less: Comprehensive income attributable to Noncontrolling Interest, net of tax	(5,389)	(6,252)
Comprehensive Income	$ 12,788	$ 10,915